accelerated, crashed into the tree and that their officers kept in standard law enforcement procedure. >> that's smk we will probably disagree on. >> reporter: ironically, investigators say they rescued richardson and now it's richardson suing the department. in chevy chase, i'm shomari stone, news 4. >> there are new details about the man who's been charged with hitting a pedestrian while he was drunk. the 22-year-old was arrested after a clash early on saturday morning. the victim remains in a coma. the man lived in richmond. tonight, we've learned that wills has been charged or cited in at least four other incidents on area roads back in march ranging from speeding to reckless driving. >> watch as a man beat up a teenager in montgomery county. this video helped pros cue tors go after one member of the group and get a conviction from a jury today. 22-year-old tayshawn powell is awaiting charges for assault and robbery. it became a key piece of evidence. but, also, a source of dus put. >> the video shows clearly that this defendant, mr. powell, was the assailanassailant, the mainn this case.